upgrade droplr to 3.5.0
Fixed link parameter in cask for MacVim

The latest version of MacVim places app within MacVim-snapshot-70 folder so link
path has to include that folder.
Merge pull request #1174 from lucmendelowski/fix_macvim_link_path

Fixed link path in cask for MacVim
Merge pull request #1173 from jTux/master

upgrade droplr to 3.5.0